PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-18:12:30
G02     201.3          23.1               13.3 +/-    2.54      27.2 +/-    2.54  0.230 / 0.560
G06     166.7          59.0               11.7 +/-    0.48      13.4 +/-    0.48  0.270 / 0.580
G13     224.7          10.8               11.7 +/-    5.03      32.2 +/-    5.03  0.160 / 0.250
G17     24.6           57.8               10.1 +/-    0.75      11.7 +/-    0.75  0.220 / 0.410
G19     325.3          70.1                9.9 +/-    0.39      10.4 +/-    0.39  0.090 / 0.120
G24     306.9          32.8                9.6 +/-    2.03      16.0 +/-    2.03  0.070 / 0.110
G28     91.8           37.7               11.9 +/-    1.04      17.9 +/-    1.04  0.040 / 0.040
G30     157.7          11.9               10.8 +/-    2.85      28.8 +/-    2.85  0.040 / 0.040